Metan už neuniká, lidé mohou domů. V Los Angeles se konečně podařilo opravit podzemní plynovod
Century City and downtown Los Angeles are seen through the smog in this December 31, 2007 file photo. California is set to unveil a new weapon in its fight against global climate change November 14, 2012 when it holds its first sale of carbon emissions permits - a landmark experiment that it hopes will serve as a model for other U.S. states and the federal government. REUTERS/Lucy Nicholson/Files (UNITED STATES - Tags: ENVIRONMENT SOCIETY) Published: Lis. 14, 2012, 5:43 odp.